In a thunderstorm, the formula: M = 5.2 gives the approximate distance, M, in miles, from a lightning strike if it takes t seconds to hear the thunder after seeing the lightning. If you are 5.9 miles away from the lightning flash, how long will it take the sound of the thunder to reach you. Answer: It will take seconds for the sound to reach you. Submit Question

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.